Microencapsulated platinum-group metals and compounds thereof
CA 1338199 C · Owner: Lee, Chi-Long · Inventors: Willis, Robin Leon, Jr.; Lee, Chi-Long
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Platinum-group metals and compounds thereof are microencapsulated within one or two layers of thermoplastic organic polymers. The layer or layers are deposited using known prior art microencapsulation techniques. The microcapsules can be incorporated into storage-stable one-part polyorganosiloxane compositions that cure by a platinum-catalyzed hydrosilation reaction.
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted April 2, 1996. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 2, 2013.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.